unit 7
Across
- 5. listening to and making arguments
- 7. will rot
- 9. something made of ploymers
- 11. something that replaces itself naturally
- 13. proof
- 14. how to fix a problem
- 15. to break something down and make something new with it
- 16. to lessen something
Down
- 1. where most waste goes
- 2. to make energy out of something
- 3. when you make a point
- 4. when the environment is damaged by human activity
- 6. throw away
- 8. enough of the right things
- 10. to change into something else
- 12. the use something again